Message-ID: <4B641BAD.7060102@dcl.info.waseda.ac.jp>
Date: Sat, 30 Jan 2010 20:44:45 +0900
From: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
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To: Peter Zijlstra <peterz@infradead.org>
CC: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       Paul Mackerras <paulus@samba.org>,
       Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [PATCH] perf: Add util/include/linux/config.h for including generated
 autoconf.h of kernel
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(2010年01月28日 23:44), Peter Zijlstra wrote:
> On Thu, 2010-01-28 at 23:28 +0900, Hitoshi Mitake wrote:
>    
>> I'd like to add util/include/linux/config.h,
>> this header file includes autoconf.h which is generated
>> by build phase of kernel.
>>
>> This makes building of perf depend on building of kernel.
>> It's a little dirty. But perf has tight relation
>> of its kernel, so I don't think that it is a serious problem.
>>
>> My original purpose of making this patch is
>> knowing size of void *.
>> If config.h is available,
>> CONFIG_ARCH_PHYS_ADDR_T_64BIT will be provided for source of perf,
>> we can know size of void * by this config.
>>
>> How do you think?
>>      
> I think sizeof(void *).
>
>
>    

I've told about preprocessor level method.
But thanks for your advice,
I found the way to use memcpy()!

Thanks
     Hitoshi

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